# Copyright 2025 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================
"""Enums for transformer."""
__all__ = ['AttnMaskType']

from enum import Enum, unique


class AttnMaskType(Enum):
    padding = 1
    causal = 2
    no_mask = 3
    padding_causal = 4


@unique
class RotaryPosEmbMode(Enum):
    interleaved = 3
    rotate_half = 2
